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    • 1. 发明授权
    • Strain indicator and method
    • 应变指示器和方法
    • US3799108A
    • 1974-03-26
    • US20726071
    • 1971-12-13
    • MODULUS CORP
    • MOSOW J
    • F16B31/02G01L1/24G01L5/24G01D21/00
    • F16B31/025F16B31/02G01L1/24G01L5/24Y10S116/34
    • A strain indicator of the type wherein a change in length of a strain member produces a change in color of a visual indicator. An indicator area and a light-absorbing indicator fluid are encapsulated in a member that also includes a window. The capsule is fastened to the strain member with an adhesive. A change in length of the strain member causes the indicator area to become separated from the window with the result that light-absorbing indicator fluid is caused to flow between the indicator area and the window. The method of the invention comprises method steps of manufacturing subassemblies of the strain indicator as well as the method steps leading to complete assembly of the indicator.
    • 应变指示器,其中应变构件的长度变化产生视觉指示器的颜色变化。 指示器区域和光吸收指示器流体被封装在还包括窗口的构件中。 胶囊用粘合剂固定在应变件上。 应变构件的长度变化导致指示器区域与窗口分离,结果使得吸光指示器流体在指示器区域和窗口之间流动。 本发明的方法包括制造应变指示器的子组件的方法步骤以及导致指示器完全组装的方法步骤。